** REPLICATE THIS PROJECT ONLY WHERE LEGAL AND WITH PROPER SUPERVISION & PROTECTIVE EQUIPMENT **
It was the dawn of 2015. Chris and I had a LightBlue Bean, some fireworks, and a mission: to blow up the controller—or at least get some weird data out of it.
Here's a question for you:
- The accelerometer displays one value each for the X, Y, and Z axes.
- Each value is positive or negative. For example, if one side of the Z axis is facing up while the Bean sits on a table, the Earth's gravitational force will pull downward on it at 1G, giving an acceleration value of about 250 for that axis. The other axes are neutral (approximately 0).
- So... what happens if the Bean is rotating? If the Z axis is pointing up and down, that means acceleration is pulling "outward"both ways on the X and Y axes. What would it look like?
We got some spinners and decided to find out.
Unfortunately, in the confusion, it was tough to tell when I was and wasn't recording – and I managed to put the camera on macro mode, so much of the video is blurry. But here's a representative sample (brief swearing alert):
I used Scotch tape, since it holds well enough, but is easily detached and might even provide a bit of shielding. (This was a good call, as the board is now a tad scorched under the gaps in the tape.)
Alas, we did not manage to blow the thing up. To that end, there are a number of further ideas in the works... but since we don't have plans to return to Nevada anytime soon, if you know of a legal place for these experiments—let me know! ;)
Python code + logged data
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